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Using Python to implement video cover mass download

Updated: April 30, 2024 14:04:05 by Fred Zhang
On the video website, each video has a unique cover image, this article is mainly for everyone in detail how to use Python to write a video cover batch download, interested partners can follow Xiaobian together to learn

intro

On video sites, each video has a unique cover image, and they are usually attractive thumbnails that are used to represent the video content. Sometimes, we may need to download cover images of many videos in bulk for further analysis or use. This blog will show you how to write a video cover bulk downloader in Python, use the wxPython GUI library to provide an interactive interface, and use the requests and BeautifulSoup libraries for web requests and HTML parsing.

C:\pythoncode\new\youtube-dlcoverbatch.py

procedure

1. Import the required library:

- wxPython: Used to create a graphical user interface.

- requests: Used to send HTTP requests.

- BeautifulSoup: parses HTML content.

2. Create a DownloadCoverFrame class, inherited from the wx.Frame class, as the main window.

- Set the size and title of the window.

- Create a panel and add it to the window.

- Add controls for the cover save path, including a text box and a button to select the path.

- Add URL input controls, including a text box and a button to add a URL.

- Adds a URL list box to display the urls that have been added.

- Added a batch download button to trigger the batch download operation of the cover.

3. Implement event handling methods:

-on_select_save_path: handles a click on the select path button and opens a directory selection dialog box, allowing the user to select a path to save the cover.

- on_add_url_button: Handles the click of the add URL button, adding the entered URL to the URL list box.

- on_download_button: Processes the click event of batch download buttons, obtains the list of saving paths and urls, traverses the list of urls, downloads the cover image one by one, and saves it to the specified path.

4. Parse HTML content using BeautifulSoup:

- For each URL, send an HTTP request to get the page content.

Parse the page content using BeautifulSoup to find the URL of the cover image.

- Constructs the save path and file name.

- Download the cover image using the requests library and save it to the specified path.

5. Display the result:

- Use wxPython's pop-up dialog box to display the download results, including a success or failure message.

Complete code

import wx import requests from bs4 import BeautifulSoup import os import datetime import random class DownloadCoverFrame(wx.Frame): def __init__(self, parent, title): super().__init__(parent, title=title, size=(400, 300)) self.panel = wx.Panel(self) # Save path controls save_path_label = wx.StaticText(self.panel, label=" Cover save path :") self.save_path_text = wx.TextCtrl(self.panel) self.save_path_button = wx.Button(self.panel, label=" Select path ") self.save_path_button.Bind(wx.EVT_BUTTON, self.on_select_save_path) # URL entry controls url_label = wx.StaticText(self.panel, label="YouTube video URL:") self.url_text = wx.TextCtrl(self.panel) add_url_button = wx.Button(self.panel, label=" Add URL") add_url_button.Bind(wx.EVT_BUTTON, self.on_add_url_button) # URL list control url_list_label = wx.StaticText(self.panel, label="URL list :") self.url_listbox = wx.ListBox(self.panel) # Download button download_button = wx.Button(self.panel, label=" Batch download cover ") download_button.Bind(wx.EVT_BUTTON, self.on_download_button) # Sizer sizer = wx.BoxSizer(wx.VERTICAL) sizer.Add(save_path_label, 0, wx.ALL, 5) sizer.Add(self.save_path_text, 0, wx.ALL | wx.EXPAND, 5) sizer.Add(self.save_path_button, 0, wx.ALL | wx.CENTER, 5) sizer.Add(url_label, 0, wx.ALL, 5) sizer.Add(self.url_text, 0, wx.ALL | wx.EXPAND, 5) sizer.Add(add_url_button, 0, wx.ALL | wx.CENTER, 5) sizer.Add(url_list_label, 0, wx.ALL, 5) sizer.Add(self.url_listbox, 1, wx.ALL | wx.EXPAND, 5) sizer.Add(download_button, 0, wx.ALL | wx.CENTER, 5) self.panel.SetSizer(sizer) def on_select_save_path(self, event): dialog = wx.DirDialog(self.panel, "Select cover save path ") if dialog.ShowModal() == wx.ID_OK: save_path = dialog.GetPath() self.save_path_text.SetValue(save_path) dialog.Destroy() def on_add_url_button(self, event): url = self.url_text.GetValue().strip() if url: self.url_listbox.Append(url) self.url_text.Clear() def on_download_button(self, event): save_path = self.save_path_text.GetValue() if not os.path.exists(save_path): wx.MessageBox(" Save path does not exist ", "error ", wx.OK | wx.ICON_ERROR) return urls = self.url_listbox.GetStrings() if not urls: wx.MessageBox("URL list is empty ", "error ", wx.OK | wx.ICON_ERROR) return try: # current_time = datetime.datetime.now().strftime("%Y%m%d%H%M%S%f") for url in urls: response = requests.get(url) soup = BeautifulSoup(response.content, "html.parser") cover_url = soup.find("meta", property="og:image")["content"] current_time = datetime.datetime.now().strftime("%Y%m%d%H%M%S") + str(random.randint(100, 999)) filename = os.path.join(save_path, f"{current_time}.jpg") with open(filename, "wb") as f: F.rite (requests.get(cover_url).content) wx.MessageBox(" Cover has been downloaded to the specified path in bulk ", "Success ", wx.OK | wx.ICON_INFORMATION) except Exception as e: wx.MessageBox(f" Failed to download cover: {e} ", "error", wx. OK | wx. ICON_ERROR) if __name__ = = "__main__" : app = wx.App() frame = DownloadCoverFrame(None, "YouTube video cover downloader ") frame.show () app.mainloop ()

Sum up

This blog explains how to write a video cover bulk downloader in Python. By creating a graphical user interface using the wxPython library, you can easily enter a URL and choose a save path. At the same time, using the requests library to send HTTP requests and the BeautifulSoup library to parse HTML content, you can extract the URL of the cover image and download it. This downloader can help users quickly batch download the cover image of the video for subsequent analysis and use.

To this article about the use of Python video cover to achieve the mass download of the article is introduced to this, more related Python video cover download content please search the script home previous articles or continue to browse the following related articles hope that you will support the script home in the future!

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